"(...) 실력 있는 친구들의 음악 교육에 더 힘써왔던 부서로써 부족한 점이 많았고, 대처가 빠르지 못해 많은 오해를 불러일으키게 된 점 대표 이하 직원들 모두 고개 숙여 사과를 드립니다."
- [실력 있는 친구들의 음악 교육에 더 힘써왔던 부서로써] 부족한 점이 많았고, (부서로써 -> 부서로서)
=> we were remiss [as the department which took it upon itself to educate those with musical talents].
- [대처가 빠르지 못해] [많은 오해를 불러일으키게 된] 점(을) (the object phrase for 사과를 드립니다 below)
=> for [causing a lot of misunderstanding] [by not responding soon enough]
=> for [misleading the public] [by a less than swift response on our part]
- [대표 이하 직원들 모두] 고개 숙여 사과를 드립니다.
=> we bow our heads and apologize [from the president on down]
We bow our heads and apologize from the president on down, for having been remiss in our role as the department which dedicated itself to educating those with musical talents, and for misleading the public by not responding (to the issue) soon enough.